<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/login' }">go to log in</el-breadcrumb-item>
      <el-breadcrumb-item>user management</el-breadcrumb-item>
      <el-breadcrumb-item>user list</el-breadcrumb-item>
      <el-button @click="logout">log out</el-button>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索 添加 -->
      <el-row :gutter="30">
        <el-col :span="8">
          <el-input placeholder="please input user's name" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">add a user</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="this.userlist" border stripe>
        <!-- stripe: 斑马条纹
        border：边框-->
        <el-table-column prop="username" label="username"></el-table-column>
        <el-table-column prop="user_type" label="role"></el-table-column>
        <el-table-column prop="address" label="address"></el-table-column>
        <!--
        <el-table-column label="status">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        -->
        <el-table-column label="operation">
          <template slot-scope="scope">
            <!--
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              circle
              @click="showEditDialog(scope.row.username)"
            ></el-button>
            -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              circle
              @click="removeUserByName(scope.row.username)"
            ></el-button>
            <!--
            <el-tooltip
              class="item"
              effect="dark"
              content="角色分配"
              :enterable="false"
              placement="top"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                circle
                @click="showSetRole(scope.username)"
              ></el-button>
            </el-tooltip>
            -->
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[2, 5, 10, 15]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="totle"
      ></el-pagination>-->
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!-- 内容主体 -->
      <el-form
        :model="addUserForm"
        ref="addUserFormRef"
        :rules="addUserFormRules"
        label-width="100px"
      >
        <el-form-item label="Username" prop="username">
          <el-input v-model="addUserForm.username"></el-input>
        </el-form-item>
        <el-form-item label="Password" prop="password">
          <el-input v-model="addUserForm.password"></el-input>
        </el-form-item>
        <el-form-item label="User Type" prop="usertype">
         <el-radio v-model="radio" label=0>customer</el-radio>
        <el-radio v-model="radio" label=1>merchant</el-radio>
        <el-radio v-model="radio" label=2>manager</el-radio>
        </el-form-item>
        <el-form-item label="Delivery Address" prop="address">
          <el-input v-model="addUserForm.address"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">cancel</el-button>
        <el-button type="primary" @click="addUser">submit</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户信息"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <!-- 内容主体 -->
      <el-form
        :model="editUserForm"
        ref="editUserFormRef"
        :rules="editUserFormRules"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editUserForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editUserForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editUserForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
      <div>
        <p>当前用户：{{userInfo.username}}</p>
        <p>当前角色：{{userInfo.role_name}}</p>
        <p>
          分配角色：
          <el-select
            v-model="selectRoleId"
            filterable
            allow-create
            default-first-option
            placeholder="请选择文章标签"
          >
            <el-option
              v-for="item in rolesLsit"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import globalVar from '@/components/globalVar.vue'
export default {
  data () {
    return {
      // 获取用户列表查询参数对象
      queryInfo: {
        query: '',
        // 当前页数
        pagenum: 1,
        // 每页显示多少数据
        pagesize: 5
      },
      resp: [],
      userlist: [],
      totle: 0,
      // 添加用户对话框
      addDialogVisible: false,
      // 用户添加
      addUserForm: {},
      // 用户添加表单验证规则
      addUserFormRules: {
        username: [
          { required: true, message: 'please input your username', trigger: 'blur' },
          {
            min: 2,
            max: 10,
            message: 'min length : 2  max length : 10',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: 'please input your password', trigger: 'blur' },
          {
            min: 2,
            max: 18,
            message: 'min length : 2  max length : 18',
            trigger: 'blur'
          }
        ],
        address: [
          { required: true, message: 'please input your address', trigger: 'blur' },
          { min: 2, max: 18, message: 'min length : 2  max length : 30', trigger: 'blur' }
        ]
      },
      // 修改用户
      editDialogVisible: false,
      editUserForm: {},
      // 分配角色对话框
      setRoleDialogVisible: false,
      // 当前需要被分配角色的用户
      userInfo: {},
      // 所有角色数据列表
      rolesLsit: [],
      // 已选中的角色Id值
      selectRoleId: '',
      radio: 1
    }
  },
  created () {
    if (globalVar.userName === '') {
      this.$router.push('/login')
    }
    this.getUserList()
  },
  methods: {
    logout () {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    getUserList () {
      const { data: res } = this.$http.get('user/allusers', {
        params: this.queryInfo
      }).then(response => {
        console.log('userlist')
        this.userlist = response.data.data.data
        this.$message.success('got user list successfully！')
        console.log(self.userlist)
      }, response => {
        console.log('error')
      })
      if (res.meta.status !== 200) {
        return this.$message.error('failed to get user list！')
      }
      this.userlist = res.data.users
      this.totle = res.data.totle
    },
    // 监听 pagesize改变的事件
    handleSizeChange (newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听 页码值 改变事件
    handleCurrentChange (newSize) {
      // console.log(newSize)
      this.queryInfo.pagenum = newSize
      this.getUserList()
    },
    // 监听 switch开关 状态改变
    async userStateChanged (userInfo) {
      // console.log(userInfo)
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功！')
    },
    // 监听 添加用户对话框的关闭事件
    addDialogClosed () {
      this.$refs.addUserFormRef.resetFields()
    },
    // 添加用户
    addUser () {
      // 提交请求前，表单预验证
      this.$refs.addUserFormRef.validate(async valid => {
        // console.log(valid)
        // 表单预校验失败
        console.log(this.addUserForm.username)
        if (!valid) return
        this.$http.post('user/register/', {
          username: this.addUserForm.username,
          password: this.addUserForm.password,
          address: this.addUserForm.address,
          user_type: this.radio
        }).then(response => {
          console.log(response.data)
          this.resp = response.data
          if (this.resp.status === 200) {
            this.$alert('add user success', 'Info')
            this.addDialogVisible = false
          } else {
            this.$alert('failed to registe', 'Info')
            // his.$router.push('/registe')
          }
          console.log(self.resp.msg)
        }, response => {
          console.log('error')
        })
      })
    },
    // 编辑用户信息
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！')
      }
      this.editUserForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed () {
      this.$refs.editUserFormRef.resetFields()
    },
    // 修改用户信息
    editUser () {
      // 提交请求前，表单预验证
      this.$refs.editUserFormRef.validate(async valid => {
        // console.log(valid)
        // 表单预校验失败
        if (!valid) return
        const { data: res } = await this.$http.put(
          'users/' + this.editUserForm.id,
          {
            email: this.editUserForm.email,
            mobile: this.editUserForm.mobile
          }
        )
        if (res.meta.status !== 200) {
          this.$message.error('更新用户信息失败！')
        }
        // 隐藏添加用户对话框
        this.editDialogVisible = false
        this.$message.success('更新用户信息成功！')
        this.getUserList()
      })
    },
    // 删除用户
    async removeUserByName (username) {
      console.log(username)
      const confirmResult = await this.$confirm(
        'Alert! this operation will delete the user!',
        'Info',
        {
          confirmButtonText: 'submit',
          cancelButtonText: 'cancel',
          type: 'warning'
        }
      ).catch(err => err)
      // 点击确定 返回值为：confirm
      // 点击取消 返回值为： cancel
      if (confirmResult === 'cancel') {
        return this.$message.info('delete canceled!')
      }
      this.$http.post('user/removeUserByName/', {
        username: username
      }).then(response => {
        // console.log(response.data)
        self.resp = response.data
        console.log(self.resp.msg)
        this.getUserList()
      }, response => {
        console.log('error')
      })
    },
    // 展示分配角色的对话框
    async showSetRole (role) {
      this.userInfo = role
      // 展示对话框之前，获取所有角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }
      this.rolesLsit = res.data
      this.setRoleDialogVisible = true
    },
    // 分配角色
    async saveRoleInfo () {
      if (!this.selectRoleId) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectRoleId })
      if (res.meta.status !== 200) {
        return this.$message.error('更新用户角色失败！')
      }
      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 分配角色对话框关闭事件
    setRoleDialogClosed () {
      this.selectRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style scoped>
</style>
